MX2022007447A - Metodo para detectar estado de error cuando se aspira un liquido. - Google Patents
Metodo para detectar estado de error cuando se aspira un liquido.Info
- Publication number
- MX2022007447A MX2022007447A MX2022007447A MX2022007447A MX2022007447A MX 2022007447 A MX2022007447 A MX 2022007447A MX 2022007447 A MX2022007447 A MX 2022007447A MX 2022007447 A MX2022007447 A MX 2022007447A MX 2022007447 A MX2022007447 A MX 2022007447A
- Authority
- MX
- Mexico
- Prior art keywords
- time period
- detecting
- liquid
- error state
- sensor signal
- Prior art date
Links
- 239000007788 liquid Substances 0.000 title abstract 4
- 238000000034 method Methods 0.000 title abstract 2
- 238000005259 measurement Methods 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L27/00—Testing or calibrating of apparatus for measuring fluid pressure
- G01L27/007—Malfunction diagnosis, i.e. diagnosing a sensor defect
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/02—Burettes; Pipettes
- B01L3/021—Pipettes, i.e. with only one conduit for withdrawing and redistributing liquids
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/00584—Control arrangements for automatic analysers
- G01N35/00594—Quality control, including calibration or testing of components of the analyser
- G01N35/00712—Automatic status testing, e.g. at start-up or periodic
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/0007—Fluidic connecting means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
- G01N35/1009—Characterised by arrangements for controlling the aspiration or dispense of liquids
- G01N35/1016—Control of the volume dispensed or introduced
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2200/00—Solutions for specific problems relating to chemical or physical laboratory apparatus
- B01L2200/14—Process control and prevention of errors
- B01L2200/143—Quality control, feedback systems
- B01L2200/146—Employing pressure sensors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
- G01N35/1009—Characterised by arrangements for controlling the aspiration or dispense of liquids
- G01N35/1016—Control of the volume dispensed or introduced
- G01N2035/1018—Detecting inhomogeneities, e.g. foam, bubbles, clots
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Pathology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Biomedical Technology (AREA)
- Clinical Laboratory Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Quality & Reliability (AREA)
- Automatic Analysis And Handling Materials Therefor (AREA)
Abstract
Se propone un método para detectar un estado de error cuando se aspira un líquido, que incluye: sumergir la punta de una aguja de aspiración en el líquido, generar una presión de vacío en la aguja de aspiración por un período de tiempo predefinido para aspirar un volumen parcial predeterminado del líquido en la aguja de aspiración, adquirir continuamente una curva de señal del sensor por medio de la medición continua de una señal del sensor, que indica la presión en la aguja de aspiración, durante un período de tiempo total, que comprende el período de tiempo predeterminado y además un período de tiempo adicional que sigue al período de tiempo predeterminado, detectar el estado de error en caso de que la señal del sensor caiga por debajo de un primer valor de umbral durante el período de tiempo predeterminado, caracterizado porque comprende proveer una curva de señal de referencia, determinar una medida de desviación, que indica la desviación de la curva de señal del sensor del curva de señal de referencia durante el período de tiempo adicional, proveer un segundo valor de umbral predeterminado, detectar el estado de error como función de la medida de desviación y el segundo valor de umbral.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP21180206.1A EP4104931B1 (de) | 2021-06-18 | 2021-06-18 | Verfahren zur detektion eines fehlerzustandes beim aspirieren einer flüssigkeit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| MX2022007447A true MX2022007447A (es) | 2022-12-19 |
Family
ID=76522861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX2022007447A MX2022007447A (es) | 2021-06-18 | 2022-06-16 | Metodo para detectar estado de error cuando se aspira un liquido. |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US11867579B2 (es) |
| EP (1) | EP4104931B1 (es) |
| CN (1) | CN115494248A (es) |
| MX (1) | MX2022007447A (es) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6375565A (ja) * | 1986-09-18 | 1988-04-05 | Toshiba Corp | サンプリングモニタ |
| US7867769B2 (en) * | 2007-09-19 | 2011-01-11 | Siemens Healthcare Diagnostics Inc. | Clog detection in a clinical sampling pipette |
| FR2977317B1 (fr) * | 2011-06-28 | 2013-08-02 | Gilson Sas | Procede de detection d'anomalies lors du remplissage d'un dispositif de dosage de liquide et dispositif de dosage de liquide |
| EP3434373A1 (de) * | 2017-07-27 | 2019-01-30 | Eppendorf AG | Pipettiervorrichtung mit funktionsprüfung und verfahren zur funktionsprüfung einer pipettiervorrichtung |
| WO2019156848A1 (en) * | 2018-02-06 | 2019-08-15 | Becton, Dickinson And Company | Systems, apparatuses and methods for occlusion detection using pump operation measurement |
-
2021
- 2021-06-18 EP EP21180206.1A patent/EP4104931B1/de active Active
-
2022
- 2022-06-16 MX MX2022007447A patent/MX2022007447A/es unknown
- 2022-06-17 CN CN202210690108.2A patent/CN115494248A/zh active Pending
- 2022-06-18 US US17/843,995 patent/US11867579B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| US11867579B2 (en) | 2024-01-09 |
| CN115494248A (zh) | 2022-12-20 |
| US20220404226A1 (en) | 2022-12-22 |
| EP4104931B1 (de) | 2023-12-27 |
| EP4104931A1 (de) | 2022-12-21 |
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